Chip Kelly doesn’t just want his skill players to have speed. He places a high premium on athletic offensive linemen who can execute their blocks both at the line of scrimmage and in space. It is easy to see how...

It was Dec. 1, 2013. With the score at 7-7 in the second quarter, the Philadelphia Eagles marched to the Arizona Cardinals’ 6-yard line. It was at this moment when Chip Kelly unveiled a surprising wrinkle. ...

Chip Kelly’s first training camp hits full stride today, which is exciting, but it started Monday for rookies and selected veterans like center Jason Kelce, new tight end James Casey, and the quarterbacks. If you want a sense of whether...